makepkg

Run Arch Linux’s makepkg inside docker

#!/usr/bin/env bash

THIS_SCRIPT="$(realpath "$0")"

set -eu -o pipefail

build_container() {
  CONTEXT="$(mktemp -d)"
  trap 'rm -rf "$CONTEXT"' EXIT
  sed -nE '/^# INCIPIT DOCKERFILE/,$p' < "$THIS_SCRIPT" > "$CONTEXT/Dockerfile"
  ( cd "$CONTEXT"; docker build --build-arg MY_UID=$(id -u) --build-arg MY_GID=$(id -g) -t archlinux-makepkg . )
}

build_container
docker run --rm -v "$(pwd):/build" archlinux-makepkg "$@"

exit 0

# INCIPIT DOCKERFILE
FROM archlinux:latest

ARG MY_UID
ARG MY_GID

RUN { \
  set -euxo pipefail; \
  pacman -Sy --noconfirm; \
  pacman -S --noconfirm base-devel; \
  echo 'builder ALL=(ALL) NOPASSWD: ALL' > /etc/sudoers.d/builder; \
  groupadd -g $MY_GID builder; \
  useradd -u $MY_UID -g $MY_GID -d /build builder; \
}

USER builder
WORKDIR /build

ENTRYPOINT ["/usr/bin/makepkg"]